Supplementary Type Certificate (STC)

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Article Information

Category:

Airworthiness

Content source:

SKYbrary

Content control:

SKYbrary

Publication Authority:

SKYbrary

Definition

An approval to carry out an aircraft type modification which is deemed by the Airworthiness Authority concerned to be a sufficient change to the original design of an aircraft type to require a specific validation. For example, an Operator might wish to install an in-flight entertainment (IFE) system on their aircraft, which would involve complicated modifications to the electricity supply system on an aircraft. Alternatively called a Supplemental Type Certificate (STC).